Home / 10,418.72-15,616.08-5,792.48

Finding the Fourth Proportional to 10,418.72, 15,616.08 and 5,792.48

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Solution

The fourth proportional to 10,418.72, 15,616.08 and 5,792.48 is: 8,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.72 : 15,616.08 = 5,792.48 : x
  2. Step 2: Convert to fraction form
    10,418.72/15,616.08 = 5,792.48/x
  3. Step 3: Cross multiply
    10,418.72x = 15,616.08 × 5,792.48
  4. Step 4: Simplify right side
    10,418.72x = 90,455,831.08
  5. Step 5: Solve for x
    x = 90,455,831.08/10,418.72
  6. Step 6: Final answer
    x = 8,682.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.